By the skin of one's teeth and By the narrowest of margins

By the narrowest of margins and by the skin of one's teeth are semantically related. in only just topic. In some cases you can use "By the narrowest of margins" instead an adverb phrase "By the skin of one's teeth".

By the skin of one's teeth and by the narrowest of margins are semantically related. You can use "By the skin of one's teeth" instead an adverb phrase "By the narrowest of margins".